<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>

    <input type="text" onkeyup="keyupHandle(event)" placeholder="请输入你的姓名" id="text">
    <p id="show"></p>
    <h5 id="lbl"></h5>
    <script src="kb.js"></script>
</body>
</html>